20501950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3083}}^1$

素因数の和:3121

約数の個数: 48

約数和(自身を含む): 45889920

約数和(自身を除く): 25387970

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3083, 3325, 6166, 6650, 15415, 21581, 30830, 43162, 58577, 77075, 107905, 117154, 154150, 215810, 292885, 410039, 539525, 585770, 820078, 1079050, 1464425, 2050195, 2928850, 4100390, 10250975, 20501950]

約数ペア:

[(1, 20501950), (2, 10250975), (5, 4100390), (7, 2928850), (10, 2050195), (14, 1464425), (19, 1079050), (25, 820078), (35, 585770), (38, 539525), (50, 410039), (70, 292885), (95, 215810), (133, 154150), (175, 117154), (190, 107905), (266, 77075), (350, 58577), (475, 43162), (665, 30830), (950, 21581), (1330, 15415), (3083, 6650), (3325, 6166)]